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    • 2. 发明申请
    • ELECTRIC CIRCUIT FOR ELECTRIC ARC FURNACE
    • 电弧炉用电路
    • US20160029443A1
    • 2016-01-28
    • US14775589
    • 2014-03-17
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.
    • Marko VogricFranco ScottiMarco Pasut
    • H05B7/109H05B7/20H05B7/144
    • H05B7/109H05B7/11H05B7/144H05B7/148H05B7/20Y02P10/256Y02P10/259
    • The method for adjusting the impedance of one or more phases of a secondary circuit of an electric furnace, in order to limit the unbalance between the phases themselves comprises the transformer (31), a variable impedance secondary circuit for one or more phases (F1, F2, F3), the rigid and fixed interconnection (32) for each phase (F1, F2, F3) connected to the transformer, the flexible cables (33) connected by means of the proximal end to the fixed interconnection (32), the electrode holding arms (34) connected to the distal end of the flexible cables (33), the conductive electrodes (35) fixed to the respective electrode holding arms (34). The rigid and fixed interconnection (32) of a phase (F1, F2, F3) comprises at least one turn (11), wherein the impedance is either continuously or discreetly variable in order to obtain the desired impedance value.
    • 为了限制相位之间的不平衡,用于调节电炉的二次回路的一个或多个相的阻抗的方法包括变压器(31),一个或多个相的可变阻抗二次回路(F1, F2,F3),连接到变压器的每个相(F1,F2,F3)的刚性和固定互连(32),通过近端连接到固定互连(32)的柔性电缆(33) 连接到柔性电缆(33)的远端的电极保持臂(34),固定到各个电极夹持臂(34)的导电电极(35)。 相位(F1,F2,F3)的刚性和固定互连(32)包括至少一个匝(11),其中阻抗是连续地或谨慎地变化以获得所需的阻抗值。